ThreadLocal in Sitemap EnvironmentHelper leaks on application undeployment
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Key: COCOON-2303
URL: https://issues.apache.org/jira/browse/COCOON-2303
Project: Cocoon
Issue Type: Bug
Components: - Components: Sitemap
Affects Versions: 2.2
Reporter: Graham Triggs
Attachments: sitemap.diff
In sitemap-impl, there is a ThreadLocal that is used to store the
EnvironmentStack. In the call to leaveProcessor, it pops an EnvironmentInfo off
the stack. However, it doesn't clear the ThreadLocal when the stack is emptied.
As such, there is a reference left over that can't be cleared normally when the
application is undeployed.
Patch clears the environmentStack ThreadLocal when the stack is empty (it will
get recreated anyway in the enterProcessor if it's required later).
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